Panasonic Selection 470, Programmer'S Manual

Page: 17 / 126

Section 470 - TSAPI Programmer’s Guide
DBS-92-470 Issued April 2000 9
• NO_ACTIVE_CALL (24)
The active call parameter is incorrect.
• RESOURCE_OUT_OF_SERVICE (34)
The DBS is off-line.
• OUTSTANDING_REQUEST_LIMIT_EXCEEDED (44)
The application has too many outstanding CSTA requests.
• GENERIC_UNSPECIFIED (0)
Internal driver error.
Notes:
• The active call must be in the connected state.
• A maximum of 4 parties can be conferenced.
Hold Call Service
The Hold Call Service places a call (C1) at a device (D1) with the connection
activeCall
(C1-
D1) on hold. The effect is as if the specified party depressed the hold button on the device.
This service maintains a relationship between the holding device (D1) and the held call (C1)
that lasts until the call is retrieved from the hold status, or until the call is cleared.
Function: cstaHoldCall( ), CSTAHoldCallConfEvent
Direction: C
→
S
Functional Description:
The Hold Call Service places a call on hold at a DBS station. The effect is as if the speci-
fied party depressed the hold button on their station to locally place the call on hold.
Service Parameters:
activeCall
[mandatory] a valid connection identifier indicates the
connection to be placed on hold. This party must be in the
active (talking) state or already held. The device associated
with the
activeCall
must be a station. If the party specified in
the request refers to a trunk device, the request will be denied.
The deviceID in
activeCall
must contain the station extension
of the controlling device.
reservation
[optional - not supported] specifies whether reserves the
facility for reuse by the held call. The DBS switch does
not
support this parameter.
Ack Parameters:
noData
None for this service.
Nak Parameter:
universalFailure
• INVALID_CSTA_DEVICE_IDENTIFIER (12)
An invalid device identifier or extension is specified in
activeCall
.